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EN 1.3551 Steel vs. N08800 Stainless Steel

Both EN 1.3551 steel and N08800 stainless steel are iron alloys. They have 50% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is EN 1.3551 steel and the bottom bar is N08800 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 75
77
Tensile Strength: Ultimate (UTS), MPa 720
500 to 1000

Thermal Properties

Latent Heat of Fusion, J/g 260
300
Maximum Temperature: Mechanical, °C 530
1100
Melting Completion (Liquidus), °C 1490
1390
Melting Onset (Solidus), °C 1450
1360
Specific Heat Capacity, J/kg-K 460
480
Thermal Conductivity, W/m-K 36
12
Thermal Expansion, µm/m-K 13
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.6
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 9.9
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 9.0
30
Density, g/cm3 7.9
8.0
Embodied Carbon, kg CO2/kg material 4.9
5.3
Embodied Energy, MJ/kg 71
76
Embodied Water, L/kg 82
200

Common Calculations

PREN (Pitting Resistance) 18
21
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 26
18 to 35
Strength to Weight: Bending, points 23
18 to 28
Thermal Diffusivity, mm2/s 9.8
3.0
Thermal Shock Resistance, points 21
13 to 25

Alloy Composition

Aluminum (Al), % 0
0.15 to 0.6
Carbon (C), % 0.77 to 0.85
0 to 0.1
Chromium (Cr), % 3.9 to 4.3
19 to 23
Copper (Cu), % 0 to 0.3
0 to 0.75
Iron (Fe), % 88.8 to 91.1
39.5 to 50.7
Manganese (Mn), % 0.15 to 0.35
0 to 1.5
Molybdenum (Mo), % 4.0 to 4.5
0
Nickel (Ni), % 0
30 to 35
Phosphorus (P), % 0 to 0.025
0 to 0.045
Silicon (Si), % 0 to 0.4
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.015
Titanium (Ti), % 0
0.15 to 0.6
Tungsten (W), % 0 to 0.25
0
Vanadium (V), % 0.9 to 1.1
0